UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Md8TQrtDIcku2FKMLUwzSNGQmWSQIVC6dKGo+texlyM=' 
WHERE 
  key_id = 'c41d21d1bc90794fa848efd50de24d7e9f05c106161470e069683ca7b44f8822' 
  AND (
    token = 'Md8TQrtDIcku2FKMLUwzSNGQmWSQIVC6dKGo+texlyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )